tedious/lib/data-types/time.js

A TDS driver, for connecting to MS SQLServer databases.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _writableTrackingBuffer = _interopRequireDefault(require("../tracking-buffer/writable-tracking-buffer"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const NULL_LENGTH = Buffer.from([0x00]);
const Time = {
  id: 0x29,
  type: 'TIMEN',
  name: 'Time',
  declaration: function (parameter) {
    return 'time(' + this.resolveScale(parameter) + ')';
  },
  resolveScale: function (parameter) {
    if (parameter.scale != null) {
      return parameter.scale;
    } else if (parameter.value === null) {
      return 0;
    } else {
      return 7;
    }
  },

  generateTypeInfo(parameter) {
    return Buffer.from([this.id, parameter.scale]);
  },

  generateParameterLength(parameter, options) {
    if (parameter.value == null) {
      return NULL_LENGTH;
    }

    switch (parameter.scale) {
      case 0:
      case 1:
      case 2:
        return Buffer.from([0x03]);

      case 3:
      case 4:
        return Buffer.from([0x04]);

      case 5:
      case 6:
      case 7:
        return Buffer.from([0x05]);

      default:
        throw new Error('invalid scale');
    }
  },

  *generateParameterData(parameter, options) {
    if (parameter.value == null) {
      return;
    }

    const buffer = new _writableTrackingBuffer.default(16);
    const time = parameter.value;
    let timestamp;

    if (options.useUTC) {
      timestamp = ((time.getUTCHours() * 60 + time.getUTCMinutes()) * 60 + time.getUTCSeconds()) * 1000 + time.getUTCMilliseconds();
    } else {
      timestamp = ((time.getHours() * 60 + time.getMinutes()) * 60 + time.getSeconds()) * 1000 + time.getMilliseconds();
    }

    timestamp = timestamp * Math.pow(10, parameter.scale - 3);
    timestamp += (parameter.value.nanosecondDelta != null ? parameter.value.nanosecondDelta : 0) * Math.pow(10, parameter.scale);
    timestamp = Math.round(timestamp);

    switch (parameter.scale) {
      case 0:
      case 1:
      case 2:
        buffer.writeUInt24LE(timestamp);
        break;

      case 3:
      case 4:
        buffer.writeUInt32LE(timestamp);
        break;

      case 5:
      case 6:
      case 7:
        buffer.writeUInt40LE(timestamp);
    }

    yield buffer.data;
  },

  validate: function (value) {
    if (value == null) {
      return null;
    }

    if (!(value instanceof Date)) {
      value = new Date(Date.parse(value));
    }

    if (isNaN(value)) {
      throw new TypeError('Invalid time.');
    }

    return value;
  }
};
var _default = Time;
exports.default = _default;
module.exports = Time;
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